1, small on the left and big on the right represent auspiciousness: in the traditional culture of China, the left side symbolizes small, few and yin, and the right side symbolizes big, many and yang. The arrangement of small left and big right is considered as a symbol of good luck, bringing good luck and wealth.
2. Keep the traditional customs: It is a custom and tradition to arrange the stoves in rural areas, with small left and large right. This arrangement can continue the happiness and prosperity of the family.
3. Stove design and geomantic omen: Stove is considered as a symbol of family wealth and food health. The design of "small left and big right" is considered to balance the energy of yin and yang and maintain the harmony and prosperity of the family. This answer is for reference only. Don't be blindly superstitious.